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Edit File: fancy_getopt.pyc
� �?gc @ s� d Z d Z d d l Z d d l Z d d l Z d d l Z d d l m Z m Z d Z e j d e � Z e j d e e f � Z e j d d � Z d f d � � YZ d � Z e j e j d e e j � � Z d � Z d � Z d f d � � YZ d S( s6 distutils.fancy_getopt Wrapper around the standard getopt module that provides the following additional features: * short and long options are tied together * options have help strings, so fancy_getopt could potentially create a complete usage summary * options set attributes of a passed-in object s $Id$i����N( t DistutilsGetoptErrort DistutilsArgErrors [a-zA-Z](?:[a-zA-Z0-9-]*)s ^%s$s ^(%s)=!(%s)$t -t _t FancyGetoptc B s� e Z d Z d d � Z d � Z d � Z d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d d � Z d � Z d d � Z d d d � Z RS( s� Wrapper around the standard 'getopt()' module that provides some handy extra functionality: * short and long options are tied together * options have help strings, and help text can be assembled from them * options set attributes of a passed-in object * boolean options can have "negative aliases" -- eg. if --quiet is the "negative alias" of --verbose, then "--quiet" on the command line sets 'verbose' to false c C st | | _ i | _ | j r( | j � n i | _ i | _ g | _ g | _ i | _ i | _ i | _ g | _ d S( N( t option_tablet option_indext _build_indext aliast negative_aliast short_optst long_optst short2longt attr_namet takes_argt option_order( t selfR ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt __init__- s c C s6 | j j � x" | j D] } | | j | d <q Wd S( Ni ( R t clearR ( R t option( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyR Y s c C s | | _ | j � d S( N( R R ( R R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt set_option_table^ s c C sO | | j k r t d | � n, | | | f } | j j | � | | j | <d S( Ns' option conflict: already an option '%s'( R R R t append( R t long_optiont short_optiont help_stringR ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt add_optionb s c C s | | j k S( sc Return true if the option table for this parser has an option with long name 'long_option'.( R ( R R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt has_optionl s c C s t j | t � S( s� Translate long option name 'long_option' to the form it has as an attribute of some object: ie., translate hyphens to underscores.( t stringt translatet longopt_xlate( R R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt get_attr_nameq s c C s� t | t � s t � xj | j � D]\ \ } } | | j k rV t d | | | f � n | | j k r" t d | | | f � q" q" Wd S( Ns( invalid %s '%s': option '%s' not defineds0 invalid %s '%s': aliased option '%s' not defined( t isinstancet dictt AssertionErrort itemsR R ( R t aliasest whatR t opt( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt _check_alias_dictx s c C s | j | d � | | _ d S( s' Set the aliases for this option parser.R N( R& R ( R R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt set_aliases� s c C s | j | d � | | _ d S( s� Set the negative aliases for this option parser. 'negative_alias' should be a dictionary mapping option names to option names, both the key and value must already be defined in the option table.s negative aliasN( R& R ( R R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt set_negative_aliases� s c C s� g | _ g | _ | j j � i | _ x]| j D]R} t | � d k rb | \ } } } d } n7 t | � d k r� | \ } } } } n t d | f � t | t � s� t | � d k r� t d | � n | d k p� t | t � o� t | � d k st d | � n | | j | <| j j | � | d d k re| rH| d } n | d d !} d | j | <nk | j j | � } | d k r�| j | r�t d | | f � n | | j d <d | j | <n d | j | <| j j | � } | d k r!| j | | j | k r!t d | | f � q!n t j | � sDt d d | � n | j | � | j | <| r2 | j j | � | | j | d <q2 q2 Wd S( s� Populate the various data structures that keep tabs on the option table. Called by 'getopt()' before it can do anything worthwhile. i i i s invalid option tuple: %ri s9 invalid long option '%s': must be a string of length >= 2i s: invalid short option '%s': must a single character or Nonei����t =t :s> invalid negative alias '%s': aliased option '%s' takes a valuesg invalid alias '%s': inconsistent with aliased option '%s' (one of them takes a value, the other doesn'ts invalid long option name '%s' s' (must be letters, numbers, hyphens onlyN( R R R R t repeatR t lent ValueErrorR t strR t NoneR R R t getR t longopt_ret matchR R ( R R t longt shortt helpR+ t alias_to( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt _grok_option_table� sd " ! c C s | d k r t j d } n | d k r: t � } d } n d } | j � t j | j � } y" t j | | | j � \ } } Wn t j k r� } t | � n Xx\| D]T\ } } t | � d k r� | d d k r� | j | d } n2 t | � d k r | d d k st � | d } | j j | � } | r<| } n | j | s�| d k sat d � � | j j | � } | r�| } d } q�d } n | j | } | r�| j j | � d k r�t | | d � d } n t | | | � | j j | | f � q� W| r| | f S| Sd S( s Parse command-line options in args. Store as attributes on object. If 'args' is None or not supplied, uses 'sys.argv[1:]'. If 'object' is None or not supplied, creates a new OptionDummy object, stores option values there, and returns a tuple (args, object). If 'object' is supplied, it is modified in place and 'getopt()' just returns 'args'; in both cases, the returned 'args' is a modified copy of the passed-in 'args' list, which is left untouched. i i i R s --t s boolean option can't have valueN( R/ t syst argvt OptionDummyR7 R t joinR t getoptR t errorR R, R R! R R0 R R R R+ t getattrt setattrR R ( R t argst objectt created_objectR t optst msgR% t valR t attr( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyR= � sF " "( c C s& | j d k r t d � n | j Sd S( s� Returns the list of (option, value) tuples processed by the previous run of 'getopt()'. Raises RuntimeError if 'getopt()' hasn't been called yet. s! 'getopt()' hasn't been called yetN( R R/ t RuntimeError( R ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt get_option_order* s c C s� d } x| | j D]q } | d } | d } t | � } | d d k rS | d } n | d k rl | d } n | | k r | } q q W| d d d } d } | | } d | } | r� | g } n d g } x| j D]} | d \ } } } t | | � } | d d k r | d d !} n | d k rk| rQ| j d | | | d f � q�| j d | | f � nH d | | f } | r�| j d | | | d f � n | j d | � x# | d D] } | j | | � q�Wq� W| S( s� Generate help text (a list of strings, one per suggested line of output) from the option table for this FancyGetopt object. i i i����R) i i iN t s Option summary:i s --%-*s %ss --%-*s s %s (-%s)s --%-*sN( R R, R/ t wrap_textR ( R t headert max_optR R3 R4 t lt opt_widtht line_widtht text_widtht big_indentt linesR5 t textt opt_names( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt generate_help5 sF ! c C sG | d k r t j } n x( | j | � D] } | j | d � q( Wd S( Ns ( R/ R9 t stdoutRV t write( R RL t filet line( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt print_help� s N( t __name__t __module__t __doc__R/ R R R R R R R& R' R( R7 R= RI RV R[ ( ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyR ! s , X@ Tc C s) t | � } | j | � | j | | � S( N( R R( R= ( t optionst negative_optRB RA t parser( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt fancy_getopt� s RJ c C s~ | d k r g St | � | k r) | g St j | � } t j | t � } t j d | � } t d | � } g } x| ryg } d } xt | r� t | d � } | | | k r� | j | d � | d =| | } q� | r� | d d d k r� | d =n Pq� W| r]| d k r<| j | d d | !� | d | | d <n | d d d k r]| d =q]n | j t j | d � � qt W| S( s� wrap_text(text : string, width : int) -> [string] Split 'text' into multiple lines of no more than 'width' characters each, and return the list of strings that results. s ( +|-+)i i����RJ R8 N( R/ R, R t expandtabsR t WS_TRANSt ret splitt filterR R< ( RT t widtht chunksRS t cur_linet cur_lenRN ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyRK � s: c C s t j | t � S( sX Convert a long option name to a valid Python identifier by changing "-" to "_". ( R R R ( R% ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt translate_longopt� s R; c B s e Z d Z g d � Z RS( s_ Dummy class just used as a place to hold command-line option values as instance attributes.c C s% x | D] } t | | d � q Wd S( sk Create a new OptionDummy instance. The attributes listed in 'options' will be initialized to None.N( R@ R/ ( R R_ R% ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyR � s ( R\ R] R^ R ( ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyR; � s ( R^ t __revision__R9 R Re R= t distutils.errorsR R t longopt_patt compileR1 t neg_alias_ret maketransR R Rb t whitespaceR, Rd RK Rl R; ( ( ( s, /usr/lib/python2.7/distutils/fancy_getopt.pyt <module> s" � r " ;